Stock 5.4L rods vs ModMax rods - Strength - Ranger-Forums - The Ultimate Ford Ranger Resource

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Old 04-17-2009
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Stock 5.4L rods vs ModMax rods - Strength

I thought you guys might like to see the "hot spots" on both a stock rod and a ModMax rod for a given equal amount of force.

In these FEA's I *only* compaired the physical shapes. Material, yield strength, and forces are the same in both parts. This is not intended to be a end all analysis. I just simply wanted to see how the reduced mass and geometric shape would effect a 5.4L Ford connecting rod strength.

NOTE: The modmax rods are far superior just because of the forging (grain structure). Turns out the mod max rods are about 10% stronger due to the shape alone. And.. they weight 13% less to boot.


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The cherry red areas are where the highest stress is. This is where the material will yield first.

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